P491F

P491F Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P491F Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P491F Fault Code Meaning :

Ford P491F Symptoms :

Ford P491F Reasons :

How To Fix Ford P491F Trouble Code ?

Which Ford cars have the code P491F?

  • P491F Ford Aerostar
  • P491F Ford Bronco
  • P491F Ford C-Max
  • P491F Ford C-Max Energi
  • P491F Ford C-Max Hybrid
  • P491F Ford Contour
  • P491F Ford Crown Victoria
  • P491F Ford EcoSport
  • P491F Ford Econoline
  • P491F Ford Edge
  • P491F Ford Escape
  • P491F Ford Escape Hybrid
  • P491F Ford Escort
  • P491F Ford Everest
  • P491F Ford Excursion
  • P491F Ford Expedition
  • P491F Ford Explorer
  • P491F Ford Explorer Sport Trac
  • P491F Ford F-150
  • P491F Ford F-250
  • P491F Ford F-350
  • P491F Ford Fiesta
  • P491F Ford Flex
  • P491F Ford Focus
  • P491F Ford Focus Electric
  • P491F Ford Freestar
  • P491F Ford Freestyle
  • P491F Ford Fusion
  • P491F Ford Fusion Energi
  • P491F Ford Fusion Hybrid
  • P491F Ford Fusion Plug-In Hybrid
  • P491F Ford GT
  • P491F Ford Mustang
  • P491F Ford Mustang Mach-E
  • P491F Ford Mystique
  • P491F Ford Probe
  • P491F Ford Ranger
  • P491F Ford Taurus
  • P491F Ford Taurus X
  • P491F Ford Tempo
  • P491F Ford Thunderbird
  • P491F Ford Transit
  • P491F Ford Transit Connect
  • P491F Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.